Aprilskoto vŭstanie v T︠S︡entralna Severna Bŭlgarii︠a︡ : materiali ot Nat︠s︡ionalnata nauchna konferent︠s︡ii︠a︡, provedena v Sevlievo prez april 1995 g.
Author
[pod obshtata redakt︠s︡ii︠a︡ na Nikolaĭ P. Kovachev, Khristo M. Ĭonkov, Iveta P. Milenova]
Balkanite -- ezik, istorii︠a︡, kultura : mezhdunarodna nauchna konferent︠s︡ii︠a︡, 13-15 april 2007 g. = The Balkans -- languages, history, cultures : international conference, 13-15 April, 2007